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move node implementation to a separate folder

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This commit is contained in:
vms 2020-06-12 01:41:57 +03:00
parent 1254b64b9d
commit 06de91968e
11 changed files with 306 additions and 306 deletions
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216
examples/ipfs_node/src/imports.rs
View File

@ -1,216 +0,0 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use wasmer_core::vm::Ctx;
use wasmer_core::typed_func::DynamicFunc;
use wasmer_core::typed_func::WasmTypeList;
use wasmer_core::types::Value;
use wasmer_core::types::Type;
use wasmer_core::types::FuncSig;
use wasmer_runtime::Func;
use wasmer_runtime::error::ResolveError;
use wasmer_core::backend::SigRegistry;
use wasmer_runtime::types::LocalOrImport;
use wasmer_core::module::ExportIndex;
use std::collections::HashMap;
use cmd_lib::run_fun;
const ALLOCATE_FUNC_NAME: &str = "allocate";
const SET_PTR_FUNC_NAME: &str = "set_result_ptr";
const SET_SIZE_FUNC_NAME: &str = "set_result_size";
pub(super) fn log_utf8_string(ctx: &mut Ctx, offset: i32, size: i32) {
use wasmer_core::memory::ptr::{Array, WasmPtr};
let wasm_ptr = WasmPtr::<u8, Array>::new(offset as _);
match wasm_ptr.get_utf8_string(ctx.memory(0), size as _) {
Some(msg) => print!("{}", msg),
None => println!("ipfs node logger: incorrect UTF8 string's been supplied to logger"),
}
}
// based on Wasmer: https://github.com/wasmerio/wasmer/blob/081f6250e69b98b9f95a8f62ad6d8386534f3279/lib/runtime-core/src/instance.rs#L863
unsafe fn get_export_func_by_name<'a, Args, Rets>(
ctx: &'a mut Ctx,
name: &str,
) -> Result<Func<'a, Args, Rets>, ResolveError>
where
Args: WasmTypeList,
Rets: WasmTypeList,
{
let module_inner = &(*ctx.module);
let export_index =
module_inner
.info
.exports
.get(name)
.ok_or_else(|| ResolveError::ExportNotFound {
name: name.to_string(),
})?;
let export_func_index = match export_index {
ExportIndex::Func(func_index) => func_index,
_ => {
return Err(ResolveError::ExportWrongType {
name: name.to_string(),
})
}
};
let export_func_signature_idx = *module_inner
.info
.func_assoc
.get(*export_func_index)
.expect("broken invariant, incorrect func index");
let export_func_signature = &module_inner.info.signatures[export_func_signature_idx];
let export_func_signature_ref = SigRegistry.lookup_signature_ref(export_func_signature);
if export_func_signature_ref.params() != Args::types()
|| export_func_signature_ref.returns() != Rets::types()
{
return Err(ResolveError::Signature {
expected: (*export_func_signature).clone(),
found: Args::types().to_vec(),
});
}
let func_wasm_inner = module_inner
.runnable_module
.get_trampoline(&module_inner.info, export_func_signature_idx)
.unwrap();
let export_func_ptr = match export_func_index.local_or_import(&module_inner.info) {
LocalOrImport::Local(local_func_index) => module_inner
.runnable_module
.get_func(&module_inner.info, local_func_index)
.unwrap(),
_ => {
return Err(ResolveError::ExportNotFound {
name: name.to_string(),
})
}
};
let typed_func: Func<Args, Rets, wasmer_core::typed_func::Wasm> =
Func::from_raw_parts(func_wasm_inner, export_func_ptr, None, ctx as _);
Ok(typed_func)
}
#[allow(dead_code)]
fn to_full_path<S>(cmd: S, mapped_dirs: &HashMap<String, String>) -> String
where
S: Into<String>,
{
use std::str::pattern::Pattern;
fn find_start_at<'a, P: Pattern<'a>>(slice: &'a str, at: usize, pat: P) -> Option<usize> {
slice[at..].find(pat).map(|i| at + i)
}
let cmd = cmd.into();
if cmd.is_empty() || mapped_dirs.is_empty() {
return cmd;
}
// assume that string is started with /
let from_dir = if let Some(found_pos) = find_start_at(&cmd, 1, '/') {
// it is safe because we are splitting on the found position
cmd.split_at(found_pos)
} else {
(cmd.as_str(), "")
};
match mapped_dirs.get(from_dir.0) {
Some(to_dir) => {
let ret = format!("{}/{}", to_dir, from_dir.1);
println!("ret is {}", ret);
ret
}
None => cmd,
}
}
fn write_to_mem(context: &mut Ctx, address: usize, value: &[u8]) {
let memory = context.memory(0);
for (byte_id, cell) in memory.view::<u8>()[address as usize..(address + value.len())]
.iter()
.enumerate()
{
cell.set(value[byte_id]);
}
}
pub(super) fn create_host_import_func<S>(host_cmd: S) -> DynamicFunc<'static>
where
S: Into<String>,
{
/*
let mut allocate_func: Option<Func<'static, i32, i32>> = None;
let mut set_result_ptr: Option<Func<'static, i32, ()>> = None;
let mut set_result_size: Option<Func<'static, i32, ()>> = None;
*/
let host_cmd = host_cmd.into();
let func = move |ctx: &mut Ctx, inputs: &[Value]| -> Vec<Value> {
use wasmer_core::memory::ptr::{Array, WasmPtr};
let array_ptr = inputs[0].to_u128() as i32;
let array_size = inputs[1].to_u128() as i32;
let wasm_ptr = WasmPtr::<u8, Array>::new(array_ptr as _);
let result = match wasm_ptr.get_utf8_string(ctx.memory(0), array_size as _) {
Some(arg_value) => {
// let arg_value = " add -Q /Users/mike/dev/work/fluence/wasm/tmp/ipfs_rpc_file";
let output = run_fun!("{} {}", host_cmd, arg_value).unwrap();
output
}
None => return vec![Value::I32(1)],
};
unsafe {
let mem_address = match get_export_func_by_name::<i32, i32>(ctx, ALLOCATE_FUNC_NAME) {
Ok(func) => func.call(result.len() as i32).unwrap(),
Err(_) => return vec![Value::I32(2)],
};
write_to_mem(ctx, mem_address as usize, result.as_bytes());
match get_export_func_by_name::<i32, ()>(ctx, SET_PTR_FUNC_NAME) {
Ok(func) => func.call(mem_address as i32).unwrap(),
Err(_) => return vec![Value::I32(3)],
};
match get_export_func_by_name::<i32, ()>(ctx, SET_SIZE_FUNC_NAME) {
Ok(func) => func.call(result.len() as i32).unwrap(),
Err(_) => return vec![Value::I32(4)],
};
vec![Value::I32(0)]
}
};
DynamicFunc::new(
std::sync::Arc::new(FuncSig::new(vec![Type::I32, Type::I32], vec![Type::I32])),
func,
)
}

8
examples/ipfs_node/src/lib.rs
View File

@ -16,13 +16,7 @@
#![feature(pattern)]
mod node;
mod errors;
mod config;
mod imports;
mod node_public_interface;
pub use fce::IValue;
pub use node::IpfsNode;
pub use node_public_interface::NodePublicInterface;
pub use node_public_interface::NodeModulePublicInterface;
pub use node::*;

5
examples/ipfs_node/src/main.rs
View File

@ -13,13 +13,8 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#![feature(pattern)]
mod node;
mod errors;
mod config;
mod imports;
mod node_public_interface;
use fce::IValue;
use node::IpfsNode;

2
examples/ipfs_node/src/config.rs → examples/ipfs_node/src/node/config.rs
View File

@ -14,7 +14,7 @@
* limitations under the License.
*/
use crate::errors::NodeError;
use super::errors::NodeError;
use serde_derive::Deserialize;
use toml::from_slice;

0
examples/ipfs_node/src/errors.rs → examples/ipfs_node/src/node/errors.rs
View File

100
examples/ipfs_node/src/node/imports.rs Normal file
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@ -0,0 +1,100 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use super::utils::get_export_func_by_name;
use wasmer_core::vm::Ctx;
use wasmer_core::typed_func::DynamicFunc;
use wasmer_core::types::Value;
use wasmer_core::types::Type;
use wasmer_core::types::FuncSig;
const ALLOCATE_FUNC_NAME: &str = "allocate";
const SET_PTR_FUNC_NAME: &str = "set_result_ptr";
const SET_SIZE_FUNC_NAME: &str = "set_result_size";
pub(super) fn log_utf8_string(ctx: &mut Ctx, offset: i32, size: i32) {
use wasmer_core::memory::ptr::{Array, WasmPtr};
let wasm_ptr = WasmPtr::<u8, Array>::new(offset as _);
match wasm_ptr.get_utf8_string(ctx.memory(0), size as _) {
Some(msg) => print!("{}", msg),
None => println!("ipfs node logger: incorrect UTF8 string's been supplied to logger"),
}
}
fn write_to_mem(context: &mut Ctx, address: usize, value: &[u8]) {
let memory = context.memory(0);
for (byte_id, cell) in memory.view::<u8>()[address as usize..(address + value.len())]
.iter()
.enumerate()
{
cell.set(value[byte_id]);
}
}
pub(super) fn create_host_import_func<S>(host_cmd: S) -> DynamicFunc<'static>
where
S: Into<String>,
{
/*
let mut allocate_func: Option<Func<'static, i32, i32>> = None;
let mut set_result_ptr: Option<Func<'static, i32, ()>> = None;
let mut set_result_size: Option<Func<'static, i32, ()>> = None;
*/
let host_cmd = host_cmd.into();
let func = move |ctx: &mut Ctx, inputs: &[Value]| -> Vec<Value> {
use wasmer_core::memory::ptr::{Array, WasmPtr};
let array_ptr = inputs[0].to_u128() as i32;
let array_size = inputs[1].to_u128() as i32;
let wasm_ptr = WasmPtr::<u8, Array>::new(array_ptr as _);
let result = match wasm_ptr.get_utf8_string(ctx.memory(0), array_size as _) {
Some(arg_value) => cmd_lib::run_fun!("{} {}", host_cmd, arg_value).unwrap(),
None => return vec![Value::I32(1)],
};
unsafe {
let mem_address = match get_export_func_by_name::<i32, i32>(ctx, ALLOCATE_FUNC_NAME) {
Ok(func) => func.call(result.len() as i32).unwrap(),
Err(_) => return vec![Value::I32(2)],
};
write_to_mem(ctx, mem_address as usize, result.as_bytes());
match get_export_func_by_name::<i32, ()>(ctx, SET_PTR_FUNC_NAME) {
Ok(func) => func.call(mem_address as i32).unwrap(),
Err(_) => return vec![Value::I32(3)],
};
match get_export_func_by_name::<i32, ()>(ctx, SET_SIZE_FUNC_NAME) {
Ok(func) => func.call(result.len() as i32).unwrap(),
Err(_) => return vec![Value::I32(4)],
};
vec![Value::I32(0)]
}
};
DynamicFunc::new(
std::sync::Arc::new(FuncSig::new(vec![Type::I32, Type::I32], vec![Type::I32])),
func,
)
}

27
examples/ipfs_node/src/node/mod.rs Normal file
View File

@ -0,0 +1,27 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
mod config;
mod errors;
mod imports;
mod node;
mod node_public_interface;
mod utils;
pub use node::IpfsNode;
pub use errors::NodeError;
pub use node_public_interface::NodePublicInterface;
pub use node_public_interface::NodeModulePublicInterface;

82
examples/ipfs_node/src/node.rs → examples/ipfs_node/src/node/node.rs
View File

@ -15,18 +15,14 @@
*/
use super::errors::NodeError;
use crate::config::ModuleConfig;
use crate::node_public_interface::NodePublicInterface;
use crate::node_public_interface::NodeModulePublicInterface;
use super::node_public_interface::NodePublicInterface;
use super::node_public_interface::NodeModulePublicInterface;
use fce::FCE;
use fce::WasmProcess;
use fce::IValue;
use fce::FCEModuleConfig;
use wasmer_core::import::ImportObject;
use wasmer_runtime::func;
use std::collections::HashMap;
use std::fs;
use std::path::PathBuf;
@ -45,7 +41,7 @@ impl IpfsNode {
let mut wasm_process = FCE::new();
let mut module_names = Vec::new();
let mut core_modules_config =
crate::config::parse_config_from_file(config_file_path.into())?;
super::config::parse_config_from_file(config_file_path.into())?;
for entry in fs::read_dir(core_modules_dir.into())? {
let path = entry?.path();
@ -62,7 +58,7 @@ impl IpfsNode {
let module_bytes = fs::read(path.clone())?;
let core_module_config = Self::make_wasm_process_config(
let core_module_config = super::utils::make_wasm_process_config(
core_modules_config.modules_config.remove(&module_name),
)?;
wasm_process.load_module(module_name.clone(), &module_bytes, core_module_config)?;
@ -70,7 +66,7 @@ impl IpfsNode {
}
let rpc_module_config =
Self::make_wasm_process_config(core_modules_config.rpc_module_config)?;
super::utils::make_wasm_process_config(core_modules_config.rpc_module_config)?;
Ok(Self {
process: wasm_process,
@ -109,72 +105,4 @@ impl IpfsNode {
NodePublicInterface { modules }
}
fn make_wasm_process_config(
config: Option<ModuleConfig>,
) -> Result<FCEModuleConfig, NodeError> {
use crate::imports::create_host_import_func;
use crate::imports::log_utf8_string;
use wasmer_core::import::Namespace;
let mut wasm_module_config = FCEModuleConfig::default();
let module_config = match config {
Some(config) => config,
None => return Ok(wasm_module_config),
};
if let Some(mem_pages_count) = module_config.mem_pages_count {
wasm_module_config.mem_pages_count = mem_pages_count;
}
let mut namespace = Namespace::new();
if let Some(logger_enabled) = module_config.logger_enabled {
if logger_enabled {
namespace.insert("log_utf8_string", func!(log_utf8_string));
}
}
if let Some(wasi) = module_config.wasi {
if let Some(envs) = wasi.envs {
wasm_module_config.wasi_envs = envs;
}
if let Some(preopened_files) = wasi.preopened_files {
wasm_module_config.wasi_preopened_files = preopened_files
.iter()
.map(PathBuf::from)
.collect::<Vec<_>>();
}
if let Some(mapped_dirs) = wasi.mapped_dirs {
wasm_module_config.wasi_mapped_dirs = mapped_dirs
.into_iter()
.map(|(from, to)| (from, PathBuf::from(to)))
.collect::<Vec<_>>();
}
};
let _mapped_dirs = wasm_module_config
.wasi_mapped_dirs
.iter()
.map(|(from, to)| (from.clone(), to.as_path().to_str().unwrap().to_string()))
.collect::<HashMap<_, _>>();
if let Some(imports) = module_config.imports {
for (import_name, host_cmd) in imports {
let host_import = create_host_import_func(host_cmd);
namespace.insert(import_name, host_import);
}
}
let mut import_object = ImportObject::new();
import_object.register("host", namespace);
wasm_module_config.imports = import_object;
wasm_module_config.wasi_version = wasmer_wasi::WasiVersion::Latest;
Ok(wasm_module_config)
}
}

0
examples/ipfs_node/src/node_public_interface.rs → examples/ipfs_node/src/node/node_public_interface.rs
View File

171
examples/ipfs_node/src/node/utils.rs Normal file
View File

@ -0,0 +1,171 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use wasmer_core::vm::Ctx;
use super::errors::NodeError;
use super::config::ModuleConfig;
use fce::FCEModuleConfig;
use wasmer_core::import::ImportObject;
use wasmer_runtime::func;
use wasmer_core::typed_func::WasmTypeList;
use wasmer_runtime::Func;
use wasmer_runtime::error::ResolveError;
use wasmer_core::backend::SigRegistry;
use wasmer_runtime::types::LocalOrImport;
use wasmer_core::module::ExportIndex;
use std::collections::HashMap;
use std::path::PathBuf;
// based on Wasmer: https://github.com/wasmerio/wasmer/blob/081f6250e69b98b9f95a8f62ad6d8386534f3279/lib/runtime-core/src/instance.rs#L863
pub(super) unsafe fn get_export_func_by_name<'a, Args, Rets>(
ctx: &'a mut Ctx,
name: &str,
) -> Result<Func<'a, Args, Rets>, ResolveError>
where
Args: WasmTypeList,
Rets: WasmTypeList,
{
let module_inner = &(*ctx.module);
let export_index =
module_inner
.info
.exports
.get(name)
.ok_or_else(|| ResolveError::ExportNotFound {
name: name.to_string(),
})?;
let export_func_index = match export_index {
ExportIndex::Func(func_index) => func_index,
_ => {
return Err(ResolveError::ExportWrongType {
name: name.to_string(),
})
}
};
let export_func_signature_idx = *module_inner
.info
.func_assoc
.get(*export_func_index)
.expect("broken invariant, incorrect func index");
let export_func_signature = &module_inner.info.signatures[export_func_signature_idx];
let export_func_signature_ref = SigRegistry.lookup_signature_ref(export_func_signature);
if export_func_signature_ref.params() != Args::types()
|| export_func_signature_ref.returns() != Rets::types()
{
return Err(ResolveError::Signature {
expected: (*export_func_signature).clone(),
found: Args::types().to_vec(),
});
}
let func_wasm_inner = module_inner
.runnable_module
.get_trampoline(&module_inner.info, export_func_signature_idx)
.unwrap();
let export_func_ptr = match export_func_index.local_or_import(&module_inner.info) {
LocalOrImport::Local(local_func_index) => module_inner
.runnable_module
.get_func(&module_inner.info, local_func_index)
.unwrap(),
_ => {
return Err(ResolveError::ExportNotFound {
name: name.to_string(),
})
}
};
let typed_func: Func<Args, Rets, wasmer_core::typed_func::Wasm> =
Func::from_raw_parts(func_wasm_inner, export_func_ptr, None, ctx as _);
Ok(typed_func)
}
pub(super) fn make_wasm_process_config(
config: Option<ModuleConfig>,
) -> Result<FCEModuleConfig, NodeError> {
use super::imports::create_host_import_func;
use super::imports::log_utf8_string;
use wasmer_core::import::Namespace;
let mut wasm_module_config = FCEModuleConfig::default();
let module_config = match config {
Some(config) => config,
None => return Ok(wasm_module_config),
};
if let Some(mem_pages_count) = module_config.mem_pages_count {
wasm_module_config.mem_pages_count = mem_pages_count;
}
let mut namespace = Namespace::new();
if let Some(logger_enabled) = module_config.logger_enabled {
if logger_enabled {
namespace.insert("log_utf8_string", func!(log_utf8_string));
}
}
if let Some(wasi) = module_config.wasi {
if let Some(envs) = wasi.envs {
wasm_module_config.wasi_envs = envs;
}
if let Some(preopened_files) = wasi.preopened_files {
wasm_module_config.wasi_preopened_files = preopened_files
.iter()
.map(PathBuf::from)
.collect::<Vec<_>>();
}
if let Some(mapped_dirs) = wasi.mapped_dirs {
wasm_module_config.wasi_mapped_dirs = mapped_dirs
.into_iter()
.map(|(from, to)| (from, PathBuf::from(to)))
.collect::<Vec<_>>();
}
};
let _mapped_dirs = wasm_module_config
.wasi_mapped_dirs
.iter()
.map(|(from, to)| (from.clone(), to.as_path().to_str().unwrap().to_string()))
.collect::<HashMap<_, _>>();
if let Some(imports) = module_config.imports {
for (import_name, host_cmd) in imports {
let host_import = create_host_import_func(host_cmd);
namespace.insert(import_name, host_import);
}
}
let mut import_object = ImportObject::new();
import_object.register("host", namespace);
wasm_module_config.imports = import_object;
wasm_module_config.wasi_version = wasmer_wasi::WasiVersion::Latest;
Ok(wasm_module_config)
}

1
fce/src/lib.rs
View File

@ -16,6 +16,7 @@
#![warn(rust_2018_idioms)]
#![feature(get_mut_unchecked)]
#![feature(new_uninit)]
#![feature(stmt_expr_attributes)]
#![deny(
dead_code,
nonstandard_style,